Home / 170,460.10-255,728.55-100,303.30

Finding the Fourth Proportional to 170,460.10, 255,728.55 and 100,303.30

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Solution

The fourth proportional to 170,460.10, 255,728.55 and 100,303.30 is: 150,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,460.10 : 255,728.55 = 100,303.30 : x
  2. Step 2: Convert to fraction form
    170,460.10/255,728.55 = 100,303.30/x
  3. Step 3: Cross multiply
    170,460.10x = 255,728.55 × 100,303.30
  4. Step 4: Simplify right side
    170,460.10x = 25,650,417,469.22
  5. Step 5: Solve for x
    x = 25,650,417,469.22/170,460.10
  6. Step 6: Final answer
    x = 150,477.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.